ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,487, issued on March 17, was assigned to Globe (Jiangsu) Co. Ltd. (Changzhou, China).

"Robotic mower with collision and detection assemblies" was invented by Zhigao Pu (Changzhou, China), Wanghao Li (Changzhou, China), Jie Gao (Changzhou, China), Jin Cao (Changzhou, China), Huage Wang (Changzhou, China), Xian Zhuang (Changzhou, China), Zhiyuan Li (Changzhou, China) and Yupu Zhou (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mower is provided and includes: a housing; a movable upper cover, disposed on the housing; and a cutting assembly, disposed on the housing. The cutting assembly includes a blade carrier assembly, and the bla...